I have deleted Apple_RAID 0 ( 3 x 2TB HDD's ) - volume by mistake.After this i have tried many recovery options but not successfully mounted back.

I have connected Apple_RAID 0 - to windows pc tried using Mac Drive Pro to read data from RAID DISKS- even this din't work out.
I have again connected back to MAC and tried Test Disk
Problem may be: - of the Three disks one shows missing EFI Partition , however others are intact. attached is below LOG file of test disk3.

If its a raid over partitions : first repair the gpt of the disk with missing info (with gdisk == gpt-fdisk) you should find solution to compute info with gpt duplicate at the end of the disk. Then reassemble your raid in the same way and the same order with mac, the recover your partition on the raid volume with testdisk.

If its a raid over disk, why do you want to find an EFI part on the third disk ?

And, for future : RAID0 over 3 disk it's 3 times chances to loose everything. When raid0 over multiple disk is needed, backup is an obligation.